:root{
  --bg:#ffffff; --ink:#2b2620; --muted:#8a8175; --line:#e7e0d3;
  --gold:#b8902f; --gold-d:#9a7724; --card:#fffdf8;
}
*{box-sizing:border-box}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;
}
a{color:var(--gold-d);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:860px;margin:0 auto;padding:0 18px}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-size:20px;font-weight:700;color:var(--ink)}
.brand small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px}
nav a{margin-left:18px;color:var(--ink);font-size:15px}
nav a.yt{color:#c4302b;font-weight:600}
nav a.loginbtn{border:1px solid var(--gold);color:var(--gold-d);padding:4px 13px;border-radius:7px;font-size:14px}
nav a.loginbtn:hover{background:var(--gold);color:#fff;text-decoration:none}
.hero{padding:42px 0 26px;text-align:center}
.hero h1{font-size:30px;margin:0 0 6px;letter-spacing:2px}
.hero p.tag{color:var(--muted);margin:0 0 18px;letter-spacing:4px}
.embed{position:relative;padding-bottom:56.25%;height:0;border-radius:10px;overflow:hidden;margin:18px 0;background:#000}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.prose{font-size:16.5px}
.prose h2{border-left:4px solid var(--gold);padding-left:10px;margin-top:1.6em;font-size:21px}
.prose h3{font-size:18px}
.prose blockquote{border-left:3px solid var(--line);margin:1em 0;padding:.2em 1em;color:var(--muted);background:transparent}
.prose img{max-width:100%;border-radius:8px}
.prose audio,.prose video{width:100%;margin:10px 0}
.prose pre{background:#2b2620;color:#f4efe4;padding:12px;border-radius:8px;overflow:auto}
.prose code{background:#f1ead9;padding:1px 5px;border-radius:4px}
.section-title{font-size:20px;margin:30px 0 14px;border-bottom:2px solid var(--gold);display:inline-block;padding-bottom:4px}
.scripture{margin:6px 0 10px}
.scripture-note{font-size:14px;color:var(--muted);background:#fffdf6;border:1px dashed var(--line);border-radius:8px;padding:6px 14px;margin-bottom:12px}
details.scroll{border:1px solid var(--line);border-radius:10px;margin:10px 0;background:transparent;overflow:hidden}
details.scroll>summary{cursor:pointer;padding:13px 18px;font-weight:700;font-size:17px;color:var(--gold-d);list-style:none;display:flex;align-items:center;gap:8px}
details.scroll>summary::-webkit-details-marker{display:none}
details.scroll>summary::before{content:"☯";color:var(--gold);font-weight:400}
details.scroll[open]>summary{border-bottom:1px solid var(--line);background:transparent}
details.scroll .prose{padding:6px 20px 18px;font-size:16.5px;letter-spacing:.3px}
details.scroll .prose p{text-indent:2em;margin:.7em 0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:10px 0 30px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;transition:.15s}
.card:hover{box-shadow:0 4px 14px rgba(160,130,40,.12);transform:translateY(-2px)}
.card .cat{display:inline-block;font-size:12px;background:#f3ead2;color:var(--gold-d);padding:2px 9px;border-radius:20px;margin-bottom:8px}
.card h3{margin:.2em 0;font-size:17px}
.card .date{color:var(--muted);font-size:13px}
.cat-bar{margin:8px 0 18px}
.cat-bar a{display:inline-block;margin-right:8px;padding:5px 13px;border:1px solid var(--line);border-radius:20px;background:var(--card);color:var(--ink);font-size:14px}
.cat-bar a.on{background:var(--gold);color:#fff;border-color:var(--gold)}
.meta{color:var(--muted);font-size:14px;margin-bottom:18px}
footer.site{border-top:1px solid var(--line);margin-top:50px;padding:24px 0;color:var(--muted);font-size:13px;text-align:center;background:var(--card)}
.btn{display:inline-block;background:var(--gold);color:#fff;border:0;border-radius:8px;padding:9px 18px;font-size:15px;cursor:pointer}
.btn:hover{background:var(--gold-d);text-decoration:none}
.btn.ghost{background:transparent;color:var(--gold-d);border:1px solid var(--gold)}
.btn.danger{background:#b54b3a}
/* admin */
.adminbar{background:#2b2620;color:#f4efe4;padding:0}
.adminbar .container{display:flex;align-items:center;justify-content:space-between;height:50px}
.adminbar a{color:#f4efe4;margin-left:16px;font-size:14px}
.flash{padding:10px 14px;border-radius:8px;margin:12px 0}
.flash.ok{background:#e6f4ea;color:#1e6b34}
.flash.error{background:#fae6e3;color:#9a2a1a}
.form-row{margin:14px 0}
.form-row label{display:block;font-weight:600;margin-bottom:5px;font-size:14px}
.form-row input[type=text],.form-row input[type=password],.form-row select,.form-row textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:#fff}
.form-row textarea{min-height:340px;line-height:1.6;font-family:ui-monospace,Menlo,Consolas,monospace}
table.list{width:100%;border-collapse:collapse;margin:14px 0}
table.list th,table.list td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);font-size:14px}
.badge{font-size:12px;padding:2px 8px;border-radius:10px}
.badge.published{background:#e6f4ea;color:#1e6b34}
.badge.draft{background:#f0ece2;color:#8a8175}
.toolbar{margin:10px 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.hint{color:var(--muted);font-size:13px}

@keyframes livepulse{0%,100%{opacity:1}50%{opacity:.7}}
/* 导航：YouTube 下拉菜单 */
.yt-menu{position:relative;display:inline-block}
.yt-menu .yt{cursor:pointer}
.yt-dropdown{position:absolute;right:0;top:100%;min-width:170px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 20px rgba(80,60,20,.14);padding:6px 0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;z-index:50}
.yt-menu:hover .yt-dropdown{opacity:1;visibility:visible;transform:translateY(4px)}
.yt-dropdown a{display:block;margin:0;padding:9px 16px;font-size:14px;color:var(--ink);white-space:nowrap}
.yt-dropdown a:hover{background:#fff6f5;text-decoration:none}
/* 站桩打坐引导页 */
.sub-title{font-size:17px;margin:26px 0 12px;color:var(--gold-d)}
.live-banner{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#fff6f5;border:1px solid #f3d3ce;border-radius:12px;padding:14px 18px;margin:8px 0 22px}
.live-banner .live-dot{animation:livepulse 1.5s infinite}
.live-banner .live-btn{margin-left:auto;background:#c4302b}
.live-banner .live-btn:hover{background:#a52219}
.guide-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin:6px 0 24px}
.guide-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.guide-card .guide-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.guide-card h3{margin:0;font-size:16px}
.guide-card audio,.guide-card video{width:100%;margin-top:4px}
.guide-card video{border-radius:8px;background:#000}
.guide-note{color:var(--muted);font-size:13px;margin:8px 0 0}


/* —— 水墨淡背景 (?bg=A 全图 / ?bg=B 山水 / ?bg=off 关闭, 选择记 cookie) —— */
body[data-bg]{background-color:var(--bg);background-repeat:no-repeat;background-attachment:fixed}
body[data-bg="A"]{background-image:url('/static/site_bgA.jpg');background-position:center top;background-size:cover}
body[data-bg="B"]{background-image:url('/static/site_bgB.jpg');background-position:center bottom;background-size:100% auto}
body[data-bg="off"]{background-image:none}


/* —— 页脚固定底部 (内容短时也贴底, sticky footer) —— */
body{min-height:100vh;display:flex;flex-direction:column}
main.container{flex:1 0 auto}
header.site,footer.site,.adminbar{flex-shrink:0}


/* —— 手机自适应: ≤600px 收成 ☰ 汉堡, 点开为右上角悬浮卡片(不挤内容) —— */
.navtoggle{display:none;background:none;border:0;font-size:24px;line-height:1;color:var(--ink);cursor:pointer;padding:4px 8px;border-radius:8px}
.navtoggle:hover{background:#f3ead2}
@media(max-width:600px){
  header.site .container{position:relative;height:64px}
  .brand{font-size:18px}
  .navtoggle{display:block}
  nav#siteNav{
    display:none;position:absolute;top:58px;right:8px;z-index:100;
    flex-direction:column;min-width:190px;
    background:#fff;border:1px solid var(--line);border-radius:12px;
    box-shadow:0 10px 30px rgba(80,60,20,.18);padding:6px 0;overflow:hidden}
  nav#siteNav.open{display:flex}
  nav#siteNav>a{margin-left:0;padding:11px 18px;font-size:16px;border-bottom:1px solid var(--line)}
  .yt-menu{display:block;position:static}
  .yt-menu .yt{padding:11px 18px;display:block;border-bottom:1px solid var(--line)}
  .yt-dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0;min-width:auto;background:transparent}
  .yt-dropdown a{padding:9px 30px;border-top:1px solid var(--line)}
}